Yes, that is the fastest interval that is allowed from Android - therefore its also the minimum that can be set in DAVdroid.
Impossible to adjust list of calendars to sync for existing account
I have added a new calendar on the server. To get this calendar to sync, I have to delete davdroid account and create it anew.
- Please read http://davdroid.bitfire.at/faq/entry/editing-davdroid-accounts
- Duplicate of #219